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/*
* Copyright (C) 2011-2015 Karlsruhe Institute of Technology
*
* This file is part of Ufo.
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either
* version 3 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Alexandre Lewkowicz (lewkow_a@epita.fr)
*/
#include "config.h"
#ifdef __APPLE__
#include <OpenCL/cl.h>
#else
#include <CL/cl.h>
#endif
#include "ufo-reduce-task.h"
static void ufo_task_interface_init (UfoTaskIface *iface);
G_DEFINE_TYPE_WITH_CODE (UfoReduceTask, ufo_reduce_task, UFO_TYPE_TASK_NODE,
G_IMPLEMENT_INTERFACE (UFO_TYPE_TASK,
ufo_task_interface_init))
#define UFO_REDUCE_TASK_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), UFO_TYPE_REDUCE_TASK, UfoReduceTaskPrivate))
UfoNode *
ufo_reduce_task_new (void)
{
return UFO_NODE (g_object_new (UFO_TYPE_REDUCE_TASK, NULL));
}
static void
ufo_reduce_task_setup (UfoTask *task,
UfoResources *resources,
GError **error)
{
}
static void
ufo_reduce_task_get_requisition (UfoTask *task,
UfoBuffer **inputs,
UfoRequisition *requisition,
GError **error)
{
ufo_buffer_get_requisition(inputs[0], requisition);
requisition->dims[0] /= 2;
requisition->dims[1] /= 2;
}
static guint
ufo_reduce_task_get_num_inputs (UfoTask *task)
{
return 1;
}
static guint
ufo_reduce_task_get_num_dimensions (UfoTask *task,
guint input)
{
return 2;
}
static UfoTaskMode
ufo_reduce_task_get_mode (UfoTask *task)
{
return UFO_TASK_MODE_PROCESSOR | UFO_TASK_MODE_CPU;
}
static gboolean
ufo_reduce_task_process (UfoTask *task,
UfoBuffer **inputs,
UfoBuffer *output,
UfoRequisition *requisition)
{
UfoRequisition input_req;
ufo_buffer_get_requisition(inputs[0], &input_req);
float *src = ufo_buffer_get_host_array(inputs[0], NULL);
float *out = ufo_buffer_get_host_array(output, NULL);
for (unsigned i = 0; i < requisition->dims[0]; ++i) {
for (unsigned j = 0; j < requisition->dims[1]; ++j) {
out[i + j * requisition->dims[0]] = src[2 * i + 2 * j * input_req.dims[0]];
out[i + j * requisition->dims[0]] += src[2 * i + 1 + 2 * j * input_req.dims[0]];
out[i + j * requisition->dims[0]] += src[2 * i + j * 2 * input_req.dims[0] + input_req.dims[0]];
out[i + j * requisition->dims[0]] += src[2 * i + 1 + j * 2 * input_req.dims[0] + input_req.dims[0]];
}
}
return TRUE;
}
static void
ufo_task_interface_init (UfoTaskIface *iface)
{
iface->setup = ufo_reduce_task_setup;
iface->get_num_inputs = ufo_reduce_task_get_num_inputs;
iface->get_num_dimensions = ufo_reduce_task_get_num_dimensions;
iface->get_mode = ufo_reduce_task_get_mode;
iface->get_requisition = ufo_reduce_task_get_requisition;
iface->process = ufo_reduce_task_process;
}
static void
ufo_reduce_task_class_init (UfoReduceTaskClass *klass)
{
}
static void
ufo_reduce_task_init(UfoReduceTask *self)
{
}
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